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Title: Corrosion-resistant high-entropy alloys: A review

Corrosion destroys more than three percent of the world’s gross domestic product. Therefore, the design of highly corrosion-resistant materials is urgently needed. By breaking the classical alloy-design philosophy, high-entropy alloys (HEAs) possess unique microstructures, which are solid solutions with random arrangements of multiple elements. The particular locally-disordered chemical environment is expected to lead to unique corrosion-resistant properties. In this review, the studies of the corrosion-resistant HEAs during the last decade are summarized. The corrosion-resistant properties of HEAs in various aqueous environments and the corrosion behavior of HEA coatings are presented. The effects of environments, alloying elements, and processing methods on the corrosion resistance are analyzed in detail. Finally, the possible directions of future work regarding the corrosion behavior of HEAs are suggested.
Authors:
 [1] ;  [2] ;  [3]
  1. Univ. of Science and Technology Beijing, Beijing (China); The Univ. of Tennessee, Knoxville, TN (United States)
  2. Univ. of Science and Technology Beijing, Beijing (China)
  3. The Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Grant/Contract Number:
FE0024054
Type:
Accepted Manuscript
Journal Name:
Metals
Additional Journal Information:
Journal Volume: 7; Journal Issue: 2; Journal ID: ISSN 2075-4701
Publisher:
MDPI
Research Org:
Univ. of Tennessee, Knoxville, TN (United States); The University of Tennessee, Knoxville, TN, USA
Sponsoring Org:
USDOE Office of Fossil Energy (FE)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; high-entropy alloy; corrosion resistance; coating; aqueous environment
OSTI Identifier:
1356093
Alternate Identifier(s):
OSTI ID: 1362284